Around the world, people wake up, check the news, open the front door. On every doorstop is a box. Inside that box is the exact number of years that person has left to live. Whether they open it or hide it under their bed, each person must learn to live in this new world: a couple who thought they didn't have to rush their life together, a doctor who cannot save himself from his own fate, best friends whose dreams are forever entwined, and a politician whose box becomes the powder keg that ultimately changes everything…